Asus Zenfone 4 A450cg vs Karbonn Aura Sleek 4g

Key Specs

Battery
Battery	1750 mAh	2000 mAh
Display
Display	4.5 inches (11.43 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	0.3 MP	2 MP
Processor
Processor	Intel Atom Z2520	MediaTek MT6737M
RAM
RAM	-	1 GB
Rear Camera
Rear Camera	8 MP	5 MP

Battery

Capacity
Capacity	1750 mAh	2000 mAh
Removable
Removable	No	Yes
Standby time
Standby Time	Up to 255 Hours(3G) / Up to 289 Hours(2G)	Up to 130 Hours(2G)
TalkTime
TalkTime	Up to 13.8 Hours(3G) / Up to 27.4 Hours(2G)	Up to 4 Hours(4G) / Up to 8 Hours(2G)
Type
Type	Li-Polymer	Li-ion
USB Type-C
USB Type-C	No	No

Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Digital Zoom	-
Camera Setup
Camera Setup	Single	-
Image Resolution
Image Resolution	3264 x 2448 Pixels	-
Resolution
Resolution	0.3 MP, Primary Camera	-
Video Recording
Video Recording	1920x1080 @ 30 fps	-

Design

Colours
Colours	Black, Blue, Red, White	Grey, Champagne
Height
Height	136.8 mm	145.6 mm
Thickness
Thickness	11.3 mm Below	8.8 mm
Weight
Weight	133 grams	174 grams
Width
Width	67.9 mm	71.5 mm

Display

Display Type
Display Type	IPS LCD	TFT
Pixel Density
Pixel Density	218 ppi	196 ppi
Resolution
Resolution	-	480x854 px
Screen Protection
Screen Protection	Corning Gorilla Glass v3	-
Screen Size
Screen Size	4.5 inches (11.43 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	59.96 %	66.05 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Autofocus
Autofocus	-	No
Flash
Flash	-	No
Resolution
Resolution	-	2 MP, Primary Camera

General

Brand
Brand	Asus	Karbonn
Launch Date
Launch Date	August 24, 2014 (Official)	March 17, 2017 (Official)
Operating System
Operating System	Android v4.4.2 (Kitkat)	Android v6.0 (Marshmallow)

Main Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Digital Zoom Face detection Smile detection
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	2592 x 1944 Pixels
Resolution
Resolution	-	5 MP, Primary Camera

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 42 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
SIM Size	SIM1: Micro	SIM1: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	USB 2.0, microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

CPU
CPU	Dual core, 1.2 GHz	Quad core, 1.25 GHz, Cortex A53
Chipset
Chipset	Intel Atom Z2520	MediaTek MT6737M
Graphics
Graphics	PowerVR SGX 544MP2	Mali-T720 MP1
RAM type
RAM Type	LPDDR2	-
Ram
RAM	1 GB	-

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	No
Other Sensors
Other Sensors	Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 64 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	8 GB	8 GB
USB OTG
USB OTG	Yes	-